Sodium pentadecanoate

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  • Identifiers

    CAS number
    4268-63-7

    Molecular formula
    C15H29NaO2

    SMILES
    CCCCCCCCCCCCCCC(=O)[O-].[Na+]

    Safety labels

  • Odor profile

    Fragrance
    Waxy 74.99%
    Fatty 71.22%
    Oily 41.09%
    Odorless 32.7%
    Creamy 29.38%
    Dairy 28.21%
    Milky 25.93%
    Soapy 24.28%
    Coconut 22.79%
    Savory 21.79%

     

    Flavor
    Fatty 49.95%
    Waxy 46.37%
    Fat 35.3%
    Mild 35.17%
    Bland 29.73%
    Oily 29.71%
    Coconut 29.49%
    Faint 28.67%
    Odorless 27.18%
    Slightly waxy 25.81%

     

    Odor impact est.
    Low

  • Properties

    pKa est.
    4.76 (weak acid)

    Molecular weight
    264.38 g/mol

    Flash point

    • 151.02 ˚C est.

  • Synonyms

    • Sodium pentadecanoate
    • 4268-63-7
    • EINECS 224-255-4
    • DTXSID20195386
    • RefChem:184059
    • DTXCID30117877
    • 224-255-4
    • sodium;pentadecanoate
    • Pentadecanoate (sodium)
    • SCHEMBL120240
    • DLJKLUIGOGBWRW-UHFFFAOYSA-M
    • HY-166103
    • 4268-63-7

  • Applications

    Sodium pentadecanoate (CAS 4268-63-7) is the sodium salt of pentadecanoic acid, a long-chain fatty acid that functions as an anionic surfactant. In real-world applications, it may be used as an active surfactant in household and industrial detergents and cleaners; as an emulsifier and wetting agent in cosmetics and personal care products; as a pigment dispersion and wetting aid in coatings and ink formulations; as a processing aid and potential lubricant/stabilizer in polymers and plastics manufacturing; and as a surfactant or adjuvant in agricultural formulations to improve spreading and coverage. Its use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 206.61
    methanol 171.58
    isopropanol 289.84
    water 0.01
    ethyl acetate 495.19
    n-propanol 225.99
    acetone 412.84
    n-butanol 245.78
    acetonitrile 156.97
    DMF 654.35
    toluene 196.15
    isobutanol 235.3
    1,4-dioxane 512.65
    methyl acetate 283.43
    THF 1456.21
    2-butanone 482.48
    n-pentanol 218.88
    sec-butanol 256.76
    n-hexane 152.92
    ethylene glycol 13.49
    NMP 912.02
    cyclohexane 279.77
    DMSO 900.0
    n-butyl acetate 668.49
    n-octanol 165.49
    chloroform 874.9
    n-propyl acetate 581.65
    acetic acid 142.98
    dichloromethane 917.1
    cyclohexanone 1169.9
    propylene glycol 55.15
    isopropyl acetate 465.97
    DMAc 636.57
    2-ethoxyethanol 312.84
    isopentanol 313.86
    n-heptane 92.35
    ethyl formate 212.52
    1,2-dichloroethane 842.08
    n-hexanol 250.8
    2-methoxyethanol 387.78
    isobutyl acetate 402.86
    tetrachloromethane 220.57
    n-pentyl acetate 591.86
    transcutol 1389.0
    n-heptanol 149.69
    ethylbenzene 167.95
    MIBK 491.35
    2-propoxyethanol 434.39
    tert-butanol 466.63
    MTBE 564.82
    2-butoxyethanol 328.58
    propionic acid 192.53
    o-xylene 174.48
    formic acid 23.44
    diethyl ether 459.99
    m-xylene 178.86
    p-xylene 225.03
    chlorobenzene 359.81
    dimethyl carbonate 95.6
    n-octane 38.57
    formamide 57.87
    cyclopentanone 1217.56
    2-pentanone 566.08
    anisole 333.78
    cyclopentyl methyl ether 786.61
    gamma-butyrolactone 1010.07
    1-methoxy-2-propanol 452.14
    pyridine 549.19
    3-pentanone 368.11
    furfural 703.54
    n-dodecane 21.16
    diethylene glycol 169.59
    diisopropyl ether 229.9
    tert-amyl alcohol 391.73
    acetylacetone 601.21
    n-hexadecane 25.97
    acetophenone 365.47
    methyl propionate 331.98
    isopentyl acetate 632.22
    trichloroethylene 1158.65
    n-nonanol 161.01
    cyclohexanol 449.12
    benzyl alcohol 215.26
    2-ethylhexanol 246.35
    isooctanol 167.67
    dipropyl ether 484.59
    1,2-dichlorobenzene 416.64
    ethyl lactate 183.14
    propylene carbonate 565.13
    n-methylformamide 201.8
    2-pentanol 245.14
    n-pentane 76.14
    1-propoxy-2-propanol 468.43
    1-methoxy-2-propyl acetate 534.58
    2-(2-methoxypropoxy) propanol 328.85
    mesitylene 156.06
    ε-caprolactone 895.04
    p-cymene 137.07
    epichlorohydrin 1079.17
    1,1,1-trichloroethane 825.07
    2-aminoethanol 69.25
    morpholine-4-carbaldehyde 706.41
    sulfolane 1597.52
    2,2,4-trimethylpentane 50.34
    2-methyltetrahydrofuran 1028.78
    n-hexyl acetate 601.2
    isooctane 41.72
    2-(2-butoxyethoxy)ethanol 464.62
    sec-butyl acetate 460.92
    tert-butyl acetate 634.45
    decalin 108.58
    glycerin 75.52
    diglyme 885.63
    acrylic acid 115.53
    isopropyl myristate 229.79
    n-butyric acid 463.04
    acetyl acetate 275.83
    di(2-ethylhexyl) phthalate 159.55
    ethyl propionate 467.29
    nitromethane 337.88
    1,2-diethoxyethane 654.22
    benzonitrile 300.82
    trioctyl phosphate 129.82
    1-bromopropane 571.76
    gamma-valerolactone 1241.41
    n-decanol 110.75
    triethyl phosphate 231.27
    4-methyl-2-pentanol 186.64
    propionitrile 222.74
    vinylene carbonate 377.06
    1,1,2-trichlorotrifluoroethane 599.42
    DMS 302.94
    cumene 134.14
    2-octanol 149.72
    2-hexanone 548.93
    octyl acetate 261.77
    limonene 260.23
    1,2-dimethoxyethane 729.62
    ethyl orthosilicate 230.0
    tributyl phosphate 183.23
    diacetone alcohol 539.64
    N,N-dimethylaniline 246.13
    acrylonitrile 217.76
    aniline 218.5
    1,3-propanediol 138.93
    bromobenzene 439.29
    dibromomethane 690.51
    1,1,2,2-tetrachloroethane 1234.3
    2-methyl-cyclohexyl acetate 442.95
    tetrabutyl urea 254.41
    diisobutyl methanol 184.46
    2-phenylethanol 226.93
    styrene 204.5
    dioctyl adipate 329.37
    dimethyl sulfate 237.6
    ethyl butyrate 532.43
    methyl lactate 149.68
    butyl lactate 345.74
    diethyl carbonate 278.57
    propanediol butyl ether 279.71
    triethyl orthoformate 383.05
    p-tert-butyltoluene 137.86
    methyl 4-tert-butylbenzoate 365.74
    morpholine 789.92
    tert-butylamine 350.06
    n-dodecanol 82.8
    dimethoxymethane 373.0
    ethylene carbonate 357.21
    cyrene 306.55
    2-ethoxyethyl acetate 543.58
    2-ethylhexyl acetate 521.89
    1,2,4-trichlorobenzene 481.05
    4-methylpyridine 559.78
    dibutyl ether 464.79
    2,6-dimethyl-4-heptanol 184.46
    DEF 615.4
    dimethyl isosorbide 716.47
    tetrachloroethylene 710.65
    eugenol 294.02
    triacetin 519.94
    span 80 343.39
    1,4-butanediol 61.57
    1,1-dichloroethane 713.37
    2-methyl-1-pentanol 236.12
    methyl formate 116.86
    2-methyl-1-butanol 254.36
    n-decane 48.18
    butyronitrile 325.04
    3,7-dimethyl-1-octanol 209.2
    1-chlorooctane 221.64
    1-chlorotetradecane 71.3
    n-nonane 50.37
    undecane 29.89
    tert-butylcyclohexane 89.79
    cyclooctane 77.59
    cyclopentanol 451.21
    tetrahydropyran 918.43
    tert-amyl methyl ether 449.5
    2,5,8-trioxanonane 574.15
    1-hexene 326.51
    2-isopropoxyethanol 308.3
    2,2,2-trifluoroethanol 58.19
    methyl butyrate 643.85

    Scent© AI

1 4

IFRA standard 51

Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
 No restriction
Category 2
Products applied to the axillae
 No restriction Category 7B
Leave-on products applied to the hair with some hand contact
 No restriction
Category 3
Products applied to the face/body using fingertips
 No restriction Category 8
Products with significant anogenital exposure
 No restriction
Category 4
Products related to fine fragrance
 No restriction Category 9
Products with body and hand exposure, primarily rinse off
 No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 No restriction Category 10A
Household care products with mostly hand contact
 No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 No restriction
Category 5D
Baby Creams, baby Oils and baby talc
 No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 No restriction
Category 6
Products with oral and lip exposure
 No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction